*,
*:before,
*:after {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: sans-serif;
  overflow: hidden;
}

.max-sized,.app{
    position: absolute;
    width: 100%;
    height: 100%;
}